Dating loess deposits

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The link between loess and climate has been investigated by many researchers e. Pye, ; Kukla and An, ; Kukla et al. In recent decades, thick loess-palaeosol sequences, also from Poland, focus a great scientific interest Fedorowicz, ; Jary, ; Jary and Ciszek, ; Moska et al.

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Loess is an aeolian sediment formed by the accumulation of wind-blown silt[3] typically in the 20—50 micrometer size range, twenty percent or less clay and the balance equal parts sand and silt [4] that are loosely cemented by calcium carbonate.

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LOPES 1. In southern South America it occurs in Argentina, Bolivia, Paraguay and Uruguay, and its presence in southern Brazil was never studied in detail. It consists of fine-very fine silt with subordinate sand and clay, found mostly in lowland areas between Pleistocene coastal barriers.

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